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Brightener brightening agent fabric brightening agent manufacturer optical brightener 4bk optical brightening agent 4bk whitening agent for cotton fabric us $3.00$3.50 / kilogram

Molecular formula:c 18 h 15 cln 2 o 6 s molecular weight: 422.84 cas registry number:7023-61-2 manufacturing methods :2-amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 3-hydroxy-2-naphthoic acid coupling, and then into calcium salt. properties and applications:brilliant red, shallow blue light pink.purple red powder. insoluble in water and ethanol.

Good whitening effect on cotton fabric even under strong alkalic or acidic conditions. optical brightener cf-90: c.i.134 whitening agent for cotton: optical brightener ms: c.i.353 (liquid) mainly used as whitening of cotton and linen, silk, polyamide fiber, wool and paper. optical brightener 4bk 27344-41-8: whitening agent for cotton fabric.

red 48 1 organic pigment for pvc supplier Supplier having a high organization reputation,from China.Our items include:red 48 1 organic pigment for pvc supplier Products are mainly exported to European countries,it really is well known in several nations.


red 48 1 organic pigment for pvc supplier manufacturer with years's encounter, from China.We mainly supply red 48 1 organic pigment for pvc supplier with high quality and competitive cost.we have an expert red 48 1 organic pigment for pvc supplier solution designers.Our product is by way of the national professional certification.

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